12962480

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{521}}^1$

素因数の和:845

約数の個数: 40

約数和(自身を含む): 30292704

約数和(自身を除く): 17330224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 521, 622, 1042, 1244, 1555, 2084, 2488, 2605, 3110, 4168, 4976, 5210, 6220, 8336, 10420, 12440, 20840, 24880, 41680, 162031, 324062, 648124, 810155, 1296248, 1620310, 2592496, 3240620, 6481240, 12962480]

約数ペア:

[(1, 12962480), (2, 6481240), (4, 3240620), (5, 2592496), (8, 1620310), (10, 1296248), (16, 810155), (20, 648124), (40, 324062), (80, 162031), (311, 41680), (521, 24880), (622, 20840), (1042, 12440), (1244, 10420), (1555, 8336), (2084, 6220), (2488, 5210), (2605, 4976), (3110, 4168)]